| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| FROM python:2.7.16 |
| |
| RUN apt-get update && apt-get upgrade -y |
| |
| # install librdkafka |
| ENV LIBRDKAFKA_VERSION 1.3.0 |
| RUN git clone --depth 1 --branch v${LIBRDKAFKA_VERSION} https://github.com/edenhill/librdkafka.git librdkafka \ |
| && cd librdkafka \ |
| && ./configure \ |
| && make \ |
| && make install \ |
| && make clean \ |
| && ./configure --clean |
| |
| ENV CPLUS_INCLUDE_PATH /usr/local/include |
| ENV LIBRARY_PATH /usr/local/lib |
| ENV LD_LIBRARY_PATH /usr/local/lib |
| |
| RUN pip install gevent==1.1.2 flask==0.11.1 confluent-kafka==${LIBRDKAFKA_VERSION} \ |
| requests==2.10.0 cloudant==2.5.0 psutil==5.0.0 |
| |
| # while I expect these will be overridden during deployment, we might as well |
| # set reasonable defaults |
| ENV PORT 5000 |
| ENV LOCAL_DEV False |
| ENV GENERIC_KAFKA True |
| |
| RUN mkdir -p /KafkaFeedProvider |
| ADD provider/*.py /KafkaFeedProvider/ |
| |
| # Automatically curl the health endpoint every 5 minutes. |
| # If the endpoint doesn't respond within 30 seconds, kill the main python process. |
| # As of docker 1.12, a failed healthcheck never results in the container being |
| # restarted. Killing the main process is a way to make the restart policy kicks in. |
| HEALTHCHECK --interval=5m --timeout=1m CMD curl -m 30 --fail http://localhost:5000/health || killall python |
| |
| CMD ["/bin/bash", "-c", "cd KafkaFeedProvider && python -u app.py"] |
| |
